Architectural styles for runtime software adaptation

Runtime software adaptability - the ability to change an application's behavior during runtime - is an increasingly important capability for systems, both to support continuous operation and to support a good user experience. Achieving such adaptability may be very hard or easy; the degree of d...

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Bibliographic Details
Main Authors: Taylor, R.N., Medvidovic, N., Oreizy, P.
Format: Conference Proceeding
Language:English
Subjects:
Computer science
Context modeling
Engines
Operating systems
Peer to peer computing
Probes
Runtime
Security
Software engineering
Software systems
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Summary:Runtime software adaptability - the ability to change an application's behavior during runtime - is an increasingly important capability for systems, both to support continuous operation and to support a good user experience. Achieving such adaptability may be very hard or easy; the degree of difficulty will largely reflect choices made in a system's architecture. Some architectural styles are much more supportive of dynamic change than others. This paper examines a range of styles and assesses them with respect to a four-element evaluation framework, called BASE. The framework considers how a style supports changes to behavior, state, its execution context, and supports asynchrony of change. Styles considered include REST, event-based, service-oriented, and peer-to-peer.
DOI:10.1109/WICSA.2009.5290803